Stock Options and Restricted Stock - Summary of Activity for Restricted Stock Programs (Detail) - $ / shares		3 Months Ended						9 Months Ended		12 Months Ended
		Sep. 30, 2023		Jun. 30, 2023		Mar. 31, 2023		Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, vested								(158,937)
Grant price per share, cancelled, lower limit						$ 4.89
Grant price per share, cancelled, upper limit		$ 0		$ 0		$ 7.25
Restricted Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, beginning balance		917,734	[1]	906,204		857,288		857,288	493,326	493,326
Number of shares, granted		0		11,734		304,749		316,483	383,925	522,475
Number of shares, cancelled		(126)		(204)		(9,843)				(29,373)
Number of shares, vested		0		0		(245,990)	[2]			(129,140)	[3]
Number of shares, ending balance		917,608		917,734	[1]	906,204		917,608		857,288
Grant price per share, lower range limit beginning balance		$ 4.89	[1]	$ 4.89		$ 4.89		$ 4.89	$ 4.89	$ 4.89
Grant price per share, upper range limit beginning balance		8.4	[1]	8.4		7.25		7.25	7.25	7.25
Grant price per share, granted, lower limit										6.86
Grant price per share, granted, upper limit		0		7.67		8.08				7.68
Grant price per share, cancelled, lower limit						4.89				4.89
Grant price per share, cancelled, upper limit		6.86		6.86		8.4				8.4
Grant price per share, vested, lower limit	[3]					4.89				4.89
Grant price per share, vested, upper limit		0		0		7.68	[3]			7.25	[3]
Grant price per share, lower range limit ending balance		4.89		4.89	[1]	4.89		4.89		4.89
Grant price per share, upper range limit ending balance		8.4		8.4	[1]	8.4		8.4		7.25
Weighted average grant price beginning balance		7.59	[1]	7.58		7.27		7.27	$ 6.87	6.87
Weighted average grant price, granted		0		7.67		8.08				7.46
Weighted average grant price, cancelled		7.59		6.86		7.18				7.32
Weighted average grant price, vested		0		0		7.12	[3]			6.53	[3]
Weighted average grant price, ending balance		$ 7.59		$ 7.59	[1]	$ 7.58		$ 7.59		$ 7.27

[1] The aggregate fair value of the restricted stock was $6.4 million as of September 30, 2023. The remaining vesting period was 2.4 years at September 30, 2023.

[2] The aggregate fair value of the restricted stock vested was $2.1 million for the nine months ended September 30, 2023 and was $1.0 million for the year ended December 31, 2022.

[3] The aggregate intrinsic value of exercised options, which represents the difference between the price of the Company’s common stock at the exercise date and the related exercise price of the underlying options, was $0.1 million for the three and nine months ended September 30, 2023 and was $0.1 million for the year ended December 31, 2022.